55.9% is the change from 585 to 912
Calculation steps:
[( 912 - 585 ) ÷ 585] x 100 = 55.9%
Formula
Percentage change = [(912 - 585) / 585] x 100
Subtract the new number by the original number
912 - 585 = 327
327 ÷ 585 = 0.558974358974359
0.558974358974359 x 100 = 55.9%